Abstract

It is good that there are persons who are willing to come out with quantitative estimates for undiscovered petroleum resources. Such estimates make good after-dinner conversation (Hedberg, 1963) and, in giving a reasonable order of magnitude for such resources, they undoubtedly can be useful for economic and political purposes. However, such estimates can also be a real menace when, as too often happens, they give impressions of an accuracy beyond that which the meagerness of available knowledge warrants.

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